Wasabi Power Battery for Panasonic VW-VBK360 (4000mAh) Rechargeable lithium-ion battery for Panasonic VW-VBK360 Rated at 3.6V and 4000mAh for a longer run time Premium Japanese cells for longer battery life with no memory effect Fully decoded and compatible with the Panasonic camcorder and charger Includes VW-VBK360 battery with 3-year manufacturer warranty